20 Road (rs 1417) over Ladder Creek
Wichita County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 20 Road (rs 1417) over Ladder Creek in Wichita County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 350 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 10 of the 22 inventoried bridges in Wichita County rated fair (45.5%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.59222, -101.22056)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 274 ft |
| Location | 7.2N of Marienthal |
| NBI structure number | 000000001020100 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Wichita County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K96 Hwy over White Woman Creek Drg. | 1949 | 1,826 | Fair |
| K-96 Hwy over White Woman Creek | 2003 | 1,826 | Good |
| K25 Hwy over White Woman Creek | 1990 | 964 | Good |
| K-25 Hwy over Ladder Creek | 2007 | 913 | Good |
| K25 Hwy over Sand Creek Drainage | 1936 | 667 | Good |
| K-25 Hwy over Sands Creek | 2007 | 667 | Good |
All bridges nearby: Wichita County, KS bridge conditions · every bridge in Wichita County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.